Christopher Plummer

Freddie Chapman

Romy Schneider

Helga Lindstrom (The Countess)

Trevor Howard

Freddie Young (Distinguished Civilian)

Gert Fröbe

Colonel Steinhager

Claudine Auger

Paulette

Yul Brynner

Baron von Grunen

Harry Meyen

Lieutenant Keller

Georges Lycan

Leo

Jess Hahn

Commander Braid

John Abbey

Lang

Paul Bonifas

Charlie

Jean-Roger Caussimon

Luftwaffe General (as Jean Rene Caussimon)

Jean Claudio

Sergeant Thomas

Pierre Collet

German Warder

Anthony Dawson

Major Stillman

Georges Douking

Polish Interrogator

Colin Drake

English Farmer

Robert Favart

General Dalrymple

Bernard Fresson

French Resistant Raymond

Gisèle Grimm

Major Lawrence